President’s Circle ($25,000 +)
- Anheuser-Busch Companies, Inc.
- Bellwether Foundation
- Edward Jones
- Emerson
- Enterprise Holdings Foundation
- Express Scripts, Inc.
- FleishmanHillard
- HBE Corporation
- Missouri Department of Natural Resources
- Mysun Charitable Foundation
- Orthwein Family Foundation
- The Saigh Foundation
- Stifel
- The Boeing Company
- Wells Fargo Advisors
Leffingwell Sustainer ($15,000-$24,999)
- Anonymous (1)
- The Jordan Charitable Foundation
- Monsanto Company
- Norman J. Stupp Foundation
- The Crawford Taylor Foundation
Leffingwell Gold ($10,000-$14,999)
- Alvin J. Siteman Cancer Center
- Ameren UE Charitable Trust
- American Direct Marketing Resources, LLC
- Bank of America
- Clifford Willard Gaylord Foundation
- Graybar Foundation
- E. Reuben & Gladys Flora Grant Charitable Trust
- The Caroline Loughlin Fund
- Millstone Foundation
- Moneta Group Charitable Foundation
- Philpott Family Foundation
- RubinBrown Charitable Foundation
- Spire
- Triad Bank
- World Wide Technology, Inc.
Leffingwell Silver ($5,000-$9,999)
- Anonymous (1)
- BJC Healthcare
- BSI Constructors
- Commerce Bank
- Contemporary Productions, Inc.
- Imo's Pizza
- Interco Charitable Trust
- Stanley and Lucy Lopata Charitable Foundation
- Macy's
- Major Brands, Inc.
- Nestle Purina PetCare Company
- Peoples National Bank
- Frederick Pitzman Fund
- SandCastle Foundation
- Tiffany & Co.
Leffingwell Bronze ($2,500-$4,999)
- Asset Consulting Group, LLC
- AT&T
- BKD Foundation
- The Chod Family Foundation
- Edward Chase Garvey Memorial Foundation
- Margaret Blanke Grigg Froundation
- Daniel & Henry Co.
- David Mason & Associates Engineering Architecture Surveying
- Equifax Foundation
- Hogan Truck Leasing, Inc.
- The Jackes Foundation
- J.W. Terrill
- Koman Group
- Koplar Properties, Inc.
- Mercy
- Midland States Bank
- National City Bank of the Midwest
- Saint Louis University
- St. Louis Community College
- The PrivateBank
- Robert J. Trulaske, Jr. Family Foundation
- Washington University in St. Louis
- Webster University
Leffingwell Society ($1,000-$2,499)
- Afro World International
- Ann and Paul Arenberg Family
- Balke Brown Transwestern
- Caravus, LLC
- Chart Distribution Group
- Drury Inns, Inc.
- Essman Family Charitable Foundation
- The Fullgraf Foundation
- Hager Companies
- Samuel and Justina Halley Foundation
- Incarnate Word Foundation
- KMOV Channel 4
- Lululemon USA, Inc.
- Sawyer and Jean Marglous
- Meyer Printing Co.
- Mr. Vince Graye
- Peabody Energy
- Regional Business Council
- Saint Louis Service Bureau Foundation
- Scottrade, Inc.
- Steinberg Skating Rink
- Sub Zero, Inc.
- T.C. Clothiers, Inc.
- Tabor Plastics Company
- Thompson Coburn LLP Attorneys at Law
- Weisman Robbins Family Fund
- Wolff & Taylor, P.C.
- YPO - St. Louis Chapter
Park Partners
- Saint Louis Zoo
- Saint Louis Art Museum
- Missouri History Museum
- Saint Louis Science Center
- The Muny
- Steinbrg Skating Rink